The patent EP3228834 was granted to Safran Aero Boosters on Sep 15, 2021. The application was originally filed on Apr 3, 2017 under application number EP17164524A. The patent is currently recorded with a legal status of "Granted And Under Opposition".

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
Patent citations refer to prior patents cited during different phases such as opposition or international search.
| Citation Phase | Publication Number |
|---|---|
| DESCRIPTION | FR2921194 |
| DESCRIPTION | GB672658 |
| EXAMINATION | CN103925169 |
| EXAMINATION | EP2754891 |
| EXAMINATION | US2008041842 |
| EXAMINATION | US2014191084 |
| EXAMINATION | US3997758 |
| EXAMINATION | US5281091 |
| OPPOSITION | GB672658 |
| OPPOSITION | US2006237416 |
| SEARCH | US2010096507 |
| SEARCH | WO2014143255 |
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Description
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Sep 24, 2025
Sep 24, 2025
Sep 19, 2025
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(Electronic) Receipt
Appeal
Jul 7, 2025
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(Electronic) Receipt
Appeal
Jan 13, 2025
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Reply to appeal
Appeal
Jan 10, 2025
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(Electronic) Receipt
Appeal
Jan 6, 2025
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Reply to appeal
Appeal
Sep 18, 2024
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
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(Electronic) Receipt
Appeal
Jul 8, 2024
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Notice of appeal
Appeal
Jul 5, 2024
(Electronic) Receipt
Appeal
Jul 5, 2024
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Notice of appeal
Appeal
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OPPO
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Sep 28, 2021
Aug 19, 2021
Decision to grant a European patent
Search/Exam
Aug 9, 2021
(Electronic) Receipt
Search/Exam
Aug 9, 2021
English translation of the claims
Search/Exam
Aug 9, 2021
Filing of the translations of the claims
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Aug 9, 2021
German translation of the claims
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Aug 9, 2021
Letter accompanying subsequently filed items
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Apr 29, 2021
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Intention to grant (signatures)
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Apr 29, 2021
Text intended for grant (clean copy)
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Apr 29, 2021
Mar 19, 2021
Jan 21, 2021
Examination started
Search/Exam
May 8, 2019
Submission concerning representation
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Apr 11, 2018
(Electronic) Receipt
Search/Exam
Apr 11, 2018
Apr 11, 2018
Amended claims with annotations
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Apr 11, 2018
Apr 11, 2018
Amended description with annotations
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Apr 11, 2018
Amendments received before examination
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Apr 11, 2018
Letter accompanying subsequently filed items
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Oct 16, 2017
Sep 13, 2017
Notification of forthcoming publication
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Aug 17, 2017
Refund of fees
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Aug 9, 2017
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European search opinion
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Aug 9, 2017
European search report
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Aug 9, 2017
Information on Search Strategy
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Aug 4, 2017
Priority search results copy provided by EPO
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Jul 31, 2017
Search started
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May 29, 2017
Communication to designated inventor
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Apr 5, 2017
Letter concerning the priority
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Apr 5, 2017
Priority document
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Apr 3, 2017
Abstract
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Apr 3, 2017
Apr 3, 2017
Claims
Search/Exam
Apr 3, 2017
Description
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Apr 3, 2017
Designation of inventor
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Apr 3, 2017
Drawings
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Apr 3, 2017
Request for grant of a European patent
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